Sales of computers are subject to seasonal fluctuations. Computer City's sales of computers in 1995 and 1996 can be approximated by the function
?
?
where ?t is time in quarters (
represents the end of the first quarter of 1995) and 
is computer sales (quarterly revenue) in billions of dollars. Estimate Computer City's maximum and minimum quarterly revenue from computer sales.
?
Maximum sales __________ billions of dollars
?
Minimum sales __________ billions of dollars
What will be an ideal response?
1.157; 0.267
You might also like to view...
Write a chain rule formula for the following derivative.
for w = f(x, y, z); x = g(r, s, t), y = h(r, s, t), z = k(r, s, t)
A. 
= 
+ 
+ 
B. 
= 
+ 
+ 
C. 
= 
+ 
+ 
D. 
= 
+ 
Solve the problem.If f(x) = 5x2 - 3x + 5, find f(x - 1).
A. 5x2 - 13x + 7 B. -13x2 + 5x + 13 C. 5x2 + 22x + 7 D. 5x2 - 13x + 13
Perform the indicated operation.103.28 + 53.87 + 36.125
A. 193.275 B. 194.275 C. 193.375 D. 193.285
Solve the problem.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). By using linear regression, the following function is obtained: 
where x is temperature and y is growth in millimeters. Use this function to predict the growth of a plant if the temperature is 60. Round to the nearest hundredth.
A. 26.00 B. 28.22 C. 27.74 D. 27.26